其次是血液相容性。血液是非常脆弱的流体。泵体内的叶轮以每分钟数千转的高速狂飙，如果设计不当、剪切力过大，会把红细胞无情“绞碎”，导致致命的溶血；反之，如果流道设计存在死角，血液哪怕有零点几秒的淤滞，就会迅速形成血栓。一旦血栓脱落进入大脑，瞬间就会导致患者脑卒中。
这背后是重庆低空经济从“起飞”迈向“高飞”。中国航天科技集团九院研发的飞行器，将汽车飞机合二为一；重庆翼动科技有限公司研制的“双擎”直升机只有手掌大小，可定点驻停……2025年，重庆低空制造业产值达到102亿元，同比增长30.4%。
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"NASA must standardize its approach, increase flight rate safely, and execute on the President’s national space policy. With credible competition from our greatest geopolitical adversary increasing by the day, we need to move faster, eliminate delays, and achieve our objectives," said Isaacman. "Standardizing vehicle configuration, increasing flight rate and progressing through objectives in a logical, phased approach, is how we achieved the near-impossible in 1969 and it is how we will do it again."
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